Anytime, you can demonstrate a technical skill through photos or video...you have a ripe opportunity to apply this sort of technology in training.
Can you think of other examples?
I am not sure if you are asking for other examples to demonstrate through photos or video in training or if you are asking for other media to demonstrate technical skills with but I'll try to answer both to cover all the basis.
Things that are effective when demonstrated through photos or video for purposes of training are
1. Interactions with others. For example, teaching future teachers how to solve problems with their future students could be shown on a video with scripted ...